| Type | Icon | Name | SP | Required | Description |
|---|---|---|---|---|---|
| B | 
|
A/D Spiked Wall | 300 | Atk/Def Bulwark 3 | Foes with Range = 1 cannot move through spaces adjacent to unit (does not affect foes with Pass skills). Foes with Range = 2 cannot move through spaces within 2 spaces of unit (does not affect foes with Pass skills). Inflicts Atk/Def-4 on foe, deals damage = 15% of the greater of unit's Def or Res (excluding area-of-effect Specials), reduces damage from foe's first attack by 7 ("first attack" normally means only the first strike; for effects that grant "unit attacks twice," it means the first and second strikes), and neutralizes effects that inflict "Special cooldown charge -X" on unit during combat. |
Cannot use:                
| |||||
Effects[ | ]
| Effects | Targets | Conditions |
|---|---|---|
| Map effects | ||
 Cannot move through spacesadjacent to  Unit | Range = 1 Foes | — |
| Cannot move through spaces within 2 spaces of Unit | Range = 2 Foes | |
| Combat effects | ||
 Atk/Def-4 |  Foe | — |
 Boosts damage by X%X = 15% of the greater of Unit's Def/Res | Unit | |
 Reduces damage by 7from Foe's first attack(including second attacks) | ||
 Neutralizes "Specialcooldown charge -1" | ||
Notes[ | ]
- A/D Spiked Wall affects
Charge, regular movement, and non-warping Canto effects; warping is unaffected.
- A unit can warp to a space regardless of whether a path that is not blocked by A/D Spiked Wall exists between the unit and the destination.
- A unit can warp to a space adjacent to a foe with A/D Spiked Wall active.
- A/D Spiked Wall only prevents movement through affected spaces.
- A/D Spiked Wall does not affect foes with a Pass effect or sources of unit movement.
- If Smite could move an ally 2 spaces away, it always does so regardless of whether a foe with A/D Spiked Wall is adjacent to the space in the middle.
- A unit can attack a foe with A/D Spiked Wall and then leave the space with Hit and Run, Close Call 4, or a Canto effect.
- If
- The stat decrease that can be applied by A/D Spiked Wall is considered a temporary debuff.
- The damage boosting effect of A/D Spiked Wall ignores the foe's Def or Res when calculating the damage boost, and can be reduced by damage-reduction effects such as Gust, Atk/Spd Excel, and Dodge.
- A foe equipped with
Embla's Ward, 
Múspellflame, 
Niðavellir Axiom, File:Nine-Realm Pact.png Nine-Realm Pact, or Gold Perfection will neutralize all sources of damage during combat except the minimum 1 damage from Umbra Burst weapons. - For more information, see Damage calculation.
- A foe equipped with
- The damage-reduction effect is a flat -7 damage that is calculated after offensive Specials, damage boosting effects such as Arcane Lúin and Dominance, and "reduces damage by X%" effects such as Gust and Dodge.
- If a skill such as Miracle or Everliving Domain can trigger, the damage-reduction effect will not trigger and the user will still survive with only 1 HP.
- Flat damage-reduction effects stack additively, similar to interactions related to the weapon-triangle, such as Triangle Adept and the weapon-triangle advantage boost.
- Flat damage-reduction effects cannot be neutralized or reduced by effects such as Share Spoils or Halves non-Special damage reduction.
- For more information, see Damage calculation.
- If a skill such as
- A/D Spiked Wall will neutralize the "Special cooldown charge -X" effect on unit from effects such as Guard Sword+, Guard, or 【Divine Vein (Green)】.
- Since the "Special cooldown charge -X" effect will be neutralized on unit, A/D Spiked Wall will also stack with the "Special cooldown charge +X" effect on unit from effects such as Heavy Blade 4, Special Cooldown Charge +1, or the Grand Conquests Infantry area effect, unless the foe is equipped with skills that neutralize the "Special cooldown charge +X" effect on unit.
- Since the "Special cooldown charge -X" effect will be neutralized on unit, A/D Spiked Wall will also stack with the "Special cooldown charge +X" effect on unit from effects such as
List of owners[ | ]
| Unit | Skill chain | |||
|---|---|---|---|---|
 | Atk/Def Bulwark 1 5  | Atk/Def Bulwark 2 5 | Atk/Def Bulwark 3 5 | A/D Spiked Wall 5 |
Availability[ | ]
Summoning events
| Start | End | Event | Skill |
|---|---|---|---|
| 2024-11-06 | 2024-12-06 | Family Ninja Class | A/D Spiked Wall |
Distributed units
- This skill is not available on any distributed units.
Combat Manuals
- This skill has not been available on any distributed Combat Manuals.
In other languages[ | ]
| Language | Name |
|---|---|
| English (US) | A/D Spiked Wall |
| Japanese | ???
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| German | ???
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| Spanish (Europe) | ???
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| Spanish (Latin America) | ???
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| French | ???
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| Italian | ???
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| Traditional Chinese (Taiwan) | ???
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| Portuguese | ???
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